Home / 194,902.13-268,964.93-105,478.13

Finding the Fourth Proportional to 194,902.13, 268,964.93 and 105,478.13

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Solution

The fourth proportional to 194,902.13, 268,964.93 and 105,478.13 is: 145,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,902.13 : 268,964.93 = 105,478.13 : x
  2. Step 2: Convert to fraction form
    194,902.13/268,964.93 = 105,478.13/x
  3. Step 3: Cross multiply
    194,902.13x = 268,964.93 × 105,478.13
  4. Step 4: Simplify right side
    194,902.13x = 28,369,916,770.85
  5. Step 5: Solve for x
    x = 28,369,916,770.85/194,902.13
  6. Step 6: Final answer
    x = 145,559.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.